Laser absorbable photobleachable compositions
US6291143A · kind A · utility
29Cited by
90References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2000 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Oct 16, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/165
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A laser addressable thermal imaging element comprising a bleachable photothermal converting dye in association with a heat-sensitive imaging medium, and a photoreducing agent for said dye, said photoreducing agent bleaching said dye on laser address of the element. The imaging element may be in the form of a colorant transfer system, a peel-apart system, a phototackification system or a unimolecular thermal fragmentation system. Also provided is a method of crosslinking a resin by laser irradiation, which is useful in the production of colored images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.